Control unit



FIG. 1 is a front perspective view of a first embodiment of a control unit showing our new design,

FIG. 2 is a rear perspective view thereof,

FIG. 3 is a front elevational view thereof,

FIG. 4 is a rear elevational view thereof,

FIG. 5 is a top plan view thereof,

FIG. 6 is a bottom plan view thereof,

FIG. 7 is a right side elevational view thereof,

FIG. 8 is a left side elevational view thereof,

FIG. 9 is a front perspective view of a second embodiment of a control unit showing our design,

FIG. 10 is a rear perspective view thereof,

FIG. 11 is a front elevational view thereof,

FIG. 12 is a rear elevational view thereof,

FIG. 13 is a top plan view thereof,

FIG. 14 is a bottom plan view thereof; and,

FIG. 15 is a right side elevational view thereof. 

The ornamental design for a control unit, as shown and described. 